import { _Echarts, mainEchart } from '../index'
import 'echarts-gl'


class pie3dEchart extends mainEchart {

    optionData // 源数据 数组格式 每一项都是value，name
    legendData // 自定义图例
    distance // 调整视角到主体的距离 默认350，类似调整zoom,值越小图表越大
    grid  // 普通pie配置，可用于调整labelLine位置 (top,left,right,bottom)
    grid3d  // 调整3d饼图位置 (top,left,right,bottom)
    tooltip // 弹窗

    color

    constructor(option) {
        super(option)
        this.optionData = option.options.optionData
        this.legendData = option.options.legendData
        this.distance = option.options.distance || 350
        this.grid3d = option.options.grid3d || {
            top: "0%",
        }
        this.grid = option.options.grid || {}
        this.tooltip = option.options.tooltip || null
        this.color = option.options.color || [
            "rgba(15, 206, 179, 0.3)",
            "rgba(255, 204, 38, 0.3)",
            "RGBA(124, 42, 38, 0.3)",
            "rgba(29,73,204,0.3)",
            "rgba(93,199,40,0.3)",
            "rgba(250,171,0,0.3)",
        ];
    }

    render() {
        // this.disposeDefaultOption()
        // this.disposeOption()
        // this.setOption()
        // super()
        if (typeof this.chart === 'undefined') {
            this.disposeDom()
        }
        this.setOptionData()
        return this
    }

    // 顺序执行render，intervalArr间隔数组
    static renderOrderArrCharts(arr, chart, intervalArr, index) {
        if (index === arr.length) {
            return
        }
        setTimeout(() => {
            chart.render()
            index++
            pie3dEchart.renderOrderArrCharts(arr, arr[index], intervalArr, index)
        }, intervalArr[index])
    }

    //渲染chart实例数组，interval间隔时间
    static renderArrCharts(arr, interval = 1000) {
        // if(Array.isArray(interval) && interval.length !== arr.length){
        //     console.log("fa");
        // }
        if (Array.isArray(interval)) {
            pie3dEchart.renderOrderArrCharts(arr, arr[0], interval, 0)
        } else if (typeof interval === 'number') {
            let loop = 0
            let timer = setInterval(() => {
                if (loop < arr.length) {
                    arr[loop].render()
                    loop++
                } else {
                    clearInterval(timer)
                }
            }, interval);
        }else{
            console.error('renderArrCharts参数错误')
        }
    }


    //设置数据 [{value,name},{value,name}]
    setOptionData(valueData) {
        let value = valueData || this.optionData
        value.sort((a, b) => {
            return b.value - a.value;
        });
        this.option = this.getPie3D(value, 0.8);
        this.option.series.push({
            ...this.grid,
            name: "pie2d",
            type: "pie",
            labelLine: {
                length: 10,
                length2: 30,
            },
            startAngle: this.getBeta1(this.optionData), //起始角度，支持范围[0, 360]。
            clockwise: false, //饼图的扇区是否是顺时针排布。上述这两项配置主要是为了对齐3d的样式
            radius: ["35%", "35%"],
            center: ["50%", "50%"],
            itemStyle: {
                opacity: 1,
            },
            data: this.getLabel(value),
        });
        this.chart.setOption(this.option);
    }


    //生成label和labelline配置
    getLabel(optionData) {
        let newData = optionData.map((v) => {
            return {
                name: v.name,
                value: v.value,
                itemStyle: {
                    color: "rgba(0,0,0,0)",
                },
            };
        });
        return newData;
    }

    //获取3d饼图的option
    getPie3D(pieData, internalDiameterRatio) {
        //internalDiameterRatio:透明的空心占比
        let that = this;
        let series = [];
        let sumValue = 0;
        let startValue = 0;
        let endValue = 0;
        let legendData = [];
        let k = 1 - internalDiameterRatio;

        pieData.sort((a, b) => {
            return b.value - a.value;
        });
        // 为每一个饼图数据，生成一个 series-surface 配置
        for (let i = 0; i < pieData.length; i++) {
            sumValue += pieData[i].value;
            let seriesItem = {
                name:
                    typeof pieData[i].name === "undefined"
                        ? `series${i}`
                        : pieData[i].name,
                type: "surface",
                parametric: true,
                color: this.color[i],
                wireframe: {
                    show: false,
                },
                pieData: pieData[i],
                pieStatus: {
                    selected: false,
                    hovered: false,
                    k: k,
                },
                label: {
                    show: true,
                },
                center: ["40%", "50%"],
            };
            if (typeof pieData[i].itemStyle != "undefined") {
                let itemStyle = {};
                typeof pieData[i].itemStyle.color != "undefined"
                    ? (itemStyle.color = pieData[i].itemStyle.color)
                    : null;
                typeof pieData[i].itemStyle.opacity != "undefined"
                    ? (itemStyle.opacity = pieData[i].itemStyle.opacity)
                    : null;
                seriesItem.itemStyle = itemStyle;
            }
            series.push(seriesItem);
        }
        // 使用上一次遍历时，计算出的数据和 sumValue，调用 getParametricEquation 函数，
        // 向每个 series-surface 传入不同的参数方程 series-surface.parametricEquation，也就是实现每一个扇形。
        legendData = [];
        for (let i = 0; i < series.length; i++) {
            endValue = startValue + series[i].pieData.value;
            series[i].pieData.startRatio = startValue / sumValue;
            series[i].pieData.endRatio = endValue / sumValue;
            series[i].parametricEquation = this.getParametricEquation(
                series[i].pieData.startRatio,
                series[i].pieData.endRatio,
                false,
                false,
                k,
                series[i].pieData.value
            );
            startValue = endValue;
            let bfb = that.fomatFloat(series[i].pieData.value / sumValue, 4);
            legendData.push({
                name: series[i].name,
                value: bfb,
            });
        }
        let boxHeight = this.getHeight3D(series, 60); //通过传参设定3d饼/环的高度，26代表26px
        let option = {
            color: this.color,
            legend: {
                ...this.legendData,
                selectedMode: false,
                data: legendData,
            },
            labelLine: {
                show: true,
                lineStyle: {
                    color: "#fff",
                },
            },
            label: {
                show: false,
                position: "outside",
                textStyle: {
                    color: "#fff",
                },
                rich: {
                    b: {
                        color: "#fff",
                        fontSize: 14,
                        lineHeight: 20,
                    },
                    c: {
                        fontSize: 16,
                    },
                },
                formatter: "{b|{b}\n}",
            },
            tooltip: this.tooltip || {
                formatter: (params) => {
                    let option = this.chart.getOption();
                    if (
                        params.seriesName !== "mouseoutSeries" &&
                        params.seriesName !== "pie2d"
                    ) {
                        let bfb = (
                            (option.series[params.seriesIndex].pieData.endRatio -
                                option.series[params.seriesIndex].pieData.startRatio) *
                            100
                        ).toFixed(2);
                        return (
                            `${params.seriesName}<br/>` +
                            `<span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${params.color};"></span>` +
                            `${bfb}%`
                        );
                    }
                },
            },
            xAxis3D: {
                min: -1,
                max: 1,
            },
            yAxis3D: {
                min: -1,
                max: 1,
            },
            zAxis3D: {
                min: -1,
                max: 1,
            },
            grid3D: {
                show: false,
                ...this.grid3d,
                boxHeight: boxHeight, //圆环的高度
                viewControl: {
                    alpha: 30, //角度
                    beta: this.getBeta2(this.optionData),
                    distance: this.distance, //调整视角到主体的距离，类似调整zoom
                    rotateSensitivity: 0, //设置为0无法旋转
                    zoomSensitivity: 0, //设置为0无法缩放
                    panSensitivity: 0, //设置为0无法平移
                    autoRotate: false, //自动旋转
                    center: [0, 0, 0],
                },
            },
            series: series,
        };
        return option;
    }

    //获取3d饼图的最高扇区的高度
    getHeight3D(series, height) {
        series.sort((a, b) => {
            return a.pieData.value - a.pieData.value;
        });
        return (height * 25) / series[0].pieData.value;
    }

    // 生成扇形的曲面参数方程，用于 series-surface.parametricEquation
    getParametricEquation(startRatio, endRatio, isSelected, isHovered, k, h) {
        // 计算
        let midRatio = (startRatio + endRatio) / 2;
        let startRadian = startRatio * Math.PI * 2;
        let endRadian = endRatio * Math.PI * 2;
        let midRadian = midRatio * Math.PI * 2;
        // 如果只有一个扇形，则不实现选中效果。
        if (startRatio === 0 && endRatio === 1) {
            isSelected = false;
        }
        // 通过扇形内径/外径的值，换算出辅助参数 k（默认值 1/3）
        k = typeof k !== "undefined" ? k : 1 / 3;
        // 计算选中效果分别在 x 轴、y 轴方向上的位移（未选中，则位移均为 0）
        let offsetX = isSelected ? Math.cos(midRadian) * 0.1 : 0;
        let offsetY = isSelected ? Math.sin(midRadian) * 0.1 : 0;
        // 计算高亮效果的放大比例（未高亮，则比例为 1）
        let hoverRate = isHovered ? 1.05 : 1;
        // 返回曲面参数方程
        return {
            u: {
                min: -Math.PI,
                max: Math.PI * 3,
                step: Math.PI / 32,
            },
            v: {
                min: 0,
                max: Math.PI * 2,
                step: Math.PI / 20,
            },
            x: function (u, v) {
                if (u < startRadian) {
                    return (
                        offsetX +
                        Math.cos(startRadian) * (1 + Math.cos(v) * k) * hoverRate
                    );
                }
                if (u > endRadian) {
                    return (
                        offsetX + Math.cos(endRadian) * (1 + Math.cos(v) * k) * hoverRate
                    );
                }
                return offsetX + Math.cos(u) * (1 + Math.cos(v) * k) * hoverRate;
            },
            y: function (u, v) {
                if (u < startRadian) {
                    return (
                        offsetY +
                        Math.sin(startRadian) * (1 + Math.cos(v) * k) * hoverRate
                    );
                }
                if (u > endRadian) {
                    return (
                        offsetY + Math.sin(endRadian) * (1 + Math.cos(v) * k) * hoverRate
                    );
                }
                return offsetY + Math.sin(u) * (1 + Math.cos(v) * k) * hoverRate;
            },
            z: function (u, v) {
                if (u < -Math.PI * 0.5) {
                    return Math.sin(u);
                }
                if (u > Math.PI * 2.5) {
                    return Math.sin(u) * h * 0.1;
                }
                return Math.sin(v) > 0 ? 1 * h * 0.1 : -1;
            },
        };
    }

    fomatFloat(num, n) {
        var f = parseFloat(num);
        if (isNaN(f)) {
            return false;
        }
        f = Math.round(num * Math.pow(10, n)) / Math.pow(10, n); // n 幂
        var s = f.toString();
        var rs = s.indexOf(".");
        //判定如果是整数，增加小数点再补0
        if (rs < 0) {
            rs = s.length;
            s += ".";
        }
        while (s.length <= rs + n) {
            s += "0";
        }
        return s;
    }

    // 获取label的旋转角度
    getBeta1(value) {
        let beta = 20;
        switch (value.length) {
            case 2:
                beta = 20;
                break;
            case 3:
                beta = -60;
                break;
            case 4:
                beta = -60;
                break;
            case 5:
                beta = -45;
                break;
        }
        return beta;
    }

    // 获取3d饼图的旋转角度
    getBeta2(value) {
        let beta = 0;
        switch (value.length) {
            case 2:
                beta = 0;
                break;
            case 3:
                beta = 60;
                break;
            case 4:
                beta = 60;
                break;
            case 5:
                beta = 50;
                break;
        }
        return beta;
    }
}

export default pie3dEchart